from flask import current_app as app

from flask import Blueprint,request,jsonify,make_response

from utils.myfile import myf

from xlrd import open_workbook 

from urllib.parse import quote

import os

import time

import functools

#后天导出文件
from io import BytesIO

import xlsxwriter

import datetime

import mimetypes


# 计算接口运行时间
def time(func):

    @function.warps(func)

    def wrapper(*args,**kargs):

        startime = time.time()

        func(*args,**kargs)

        endtime= time.time()

        t = endtime - startime

        print("执行了" + str(t) + '秒')



bp_company = Blueprint("company",__name__)


@bp_company.route('/test')
async def test():

    str = "请求ip:"+request.remote_addr+',请求的url'+request.url+'错误信息'+ '\n'

    app.logger.error(str)

    return "hello word"


@bp_company.route('/upload',methods=['POST'])
# 上传excel，并导入数据库
def upload():

    # 获取文件
    file = request.files['file']
    print(file)

    newname = myf.rename(file.filename)

    # 上传文件
    file.save(os.path.join('./static/files/'+newname))

    # 打开文件读取

    name = './static/files/'+newname
    bk = open_workbook(name,encoding_override='utf-8')
    
    sh = bk.sheets()[0]

    # 总行数
    nrows = sh.nrows

    # 列数
    ncols = sh.ncols
    
    for i in range(2,nrows):
        
        row_date = sh.row_values(i)

        for j in range(0,ncols):

            print(row_date[j])
        
    return 'ok'


#后台导出
@bp_company.route('/download', methods=["GET", "POST"])
def download():
    # 实例化二进制数据
    out = BytesIO()
    # 创建一个Excel实例
    workbook = xlsxwriter.Workbook(out)
    # 添加一个sheet，add_worksheet()，默认"Sheet1"，可自定义命名，add_worksheet("资产列表")
    table = workbook.add_worksheet()
    # table.write(行, 列, 字段名)
    # 行、列从 0 开始计数
    # 字段命名根据每个人使用情况而定，插入数据部分也是
    table.write(0, 0, "资产编号")
    table.write(0, 1, "资产名称")

    workbook.close()
    filename = quote("资产列表_{}.xlsx".format(datetime.datetime.now().strftime("%Y%m%d%H%M%S")))
    file = make_response(out.getvalue())
    out.close()
    mime_type = mimetypes.guess_type('%s.xlsx' % filename)[0]
    file.headers['Content-Type'] = mime_type
    file.headers["Cache-Control"] = "no-cache"
    file.headers['Content-Disposition'] = "attachment; filename*=utf-8''{}".format(filename)
    return file

